1,1,2,2-Tetrachloroethane
United Water Cons District
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
15
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-13 | 5867-008-0810 | ND |
| 2014-08-13 | 5867-013-0900 | ND |
| 2015-02-17 | 5867-026-0905 | ND |
| 2015-08-12 | 5867-004-0716 | ND |
| 2015-08-12 | 5867-007-0736 | ND |
| 2015-08-12 | 5867-010-0830 | ND |
| 2016-08-11 | 5867-017-0752 | ND |
| 2016-08-11 | 5867-026-0732 | ND |
| 2017-08-09 | 5867-008-0806 | ND |
| 2018-08-08 | 5867-004-0820 | ND |
| 2018-08-08 | 5867-007-0849 | ND |
| 2018-11-21 | 5867-013-0828 | ND |
| 2019-08-14 | 5867-013-0855 | ND |
| 2019-08-14 | 5867-017-0925 | ND |
| 2019-08-14 | 5867-027-0915 | ND |